drivers/staging/qlge/qlge_ethtool.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <linux/kernel.h>
   3 #include <linux/types.h>
   4 #include <linux/module.h>
   5 #include <linux/list.h>
   6 #include <linux/pci.h>
   7 #include <linux/dma-mapping.h>
   8 #include <linux/pagemap.h>
   9 #include <linux/sched.h>
  10 #include <linux/dmapool.h>
  11 #include <linux/mempool.h>
  12 #include <linux/spinlock.h>
  13 #include <linux/kthread.h>
  14 #include <linux/interrupt.h>
  15 #include <linux/errno.h>
  16 #include <linux/ioport.h>
  17 #include <linux/in.h>
  18 #include <linux/ip.h>
  19 #include <linux/ipv6.h>
  20 #include <net/ipv6.h>
  21 #include <linux/tcp.h>
  22 #include <linux/udp.h>
  23 #include <linux/if_arp.h>
  24 #include <linux/if_ether.h>
  25 #include <linux/netdevice.h>
  26 #include <linux/etherdevice.h>
  27 #include <linux/ethtool.h>
  28 #include <linux/skbuff.h>
  29 #include <linux/rtnetlink.h>
  30 #include <linux/if_vlan.h>
  31 #include <linux/delay.h>
  32 #include <linux/mm.h>
  33 #include <linux/vmalloc.h>
  34
  35 #include "qlge.h"
  36
  37 struct qlge_stats {
  38         char stat_string[ETH_GSTRING_LEN];
  39         int sizeof_stat;
  40         int stat_offset;
  41 };
  42
  43 #define QL_SIZEOF(m) sizeof_field(struct qlge_adapter, m)
  44 #define QL_OFF(m) offsetof(struct qlge_adapter, m)
  45
  46 static const struct qlge_stats qlge_gstrings_stats[] = {
  47         {"tx_pkts", QL_SIZEOF(nic_stats.tx_pkts), QL_OFF(nic_stats.tx_pkts)},
  48         {"tx_bytes", QL_SIZEOF(nic_stats.tx_bytes), QL_OFF(nic_stats.tx_bytes)},
  49         {"tx_mcast_pkts", QL_SIZEOF(nic_stats.tx_mcast_pkts),
  50                                         QL_OFF(nic_stats.tx_mcast_pkts)},
  51         {"tx_bcast_pkts", QL_SIZEOF(nic_stats.tx_bcast_pkts),
  52                                         QL_OFF(nic_stats.tx_bcast_pkts)},
  53         {"tx_ucast_pkts", QL_SIZEOF(nic_stats.tx_ucast_pkts),
  54                                         QL_OFF(nic_stats.tx_ucast_pkts)},
  55         {"tx_ctl_pkts", QL_SIZEOF(nic_stats.tx_ctl_pkts),
  56                                         QL_OFF(nic_stats.tx_ctl_pkts)},
  57         {"tx_pause_pkts", QL_SIZEOF(nic_stats.tx_pause_pkts),
  58                                         QL_OFF(nic_stats.tx_pause_pkts)},
  59         {"tx_64_pkts", QL_SIZEOF(nic_stats.tx_64_pkt),
  60                                         QL_OFF(nic_stats.tx_64_pkt)},
  61         {"tx_65_to_127_pkts", QL_SIZEOF(nic_stats.tx_65_to_127_pkt),
  62                                         QL_OFF(nic_stats.tx_65_to_127_pkt)},
  63         {"tx_128_to_255_pkts", QL_SIZEOF(nic_stats.tx_128_to_255_pkt),
  64                                         QL_OFF(nic_stats.tx_128_to_255_pkt)},
  65         {"tx_256_511_pkts", QL_SIZEOF(nic_stats.tx_256_511_pkt),
  66                                         QL_OFF(nic_stats.tx_256_511_pkt)},
  67         {"tx_512_to_1023_pkts", QL_SIZEOF(nic_stats.tx_512_to_1023_pkt),
  68                                         QL_OFF(nic_stats.tx_512_to_1023_pkt)},
  69         {"tx_1024_to_1518_pkts", QL_SIZEOF(nic_stats.tx_1024_to_1518_pkt),
  70                                         QL_OFF(nic_stats.tx_1024_to_1518_pkt)},
  71         {"tx_1519_to_max_pkts", QL_SIZEOF(nic_stats.tx_1519_to_max_pkt),
  72                                         QL_OFF(nic_stats.tx_1519_to_max_pkt)},
  73         {"tx_undersize_pkts", QL_SIZEOF(nic_stats.tx_undersize_pkt),
  74                                         QL_OFF(nic_stats.tx_undersize_pkt)},
  75         {"tx_oversize_pkts", QL_SIZEOF(nic_stats.tx_oversize_pkt),
  76                                         QL_OFF(nic_stats.tx_oversize_pkt)},
  77         {"rx_bytes", QL_SIZEOF(nic_stats.rx_bytes), QL_OFF(nic_stats.rx_bytes)},
  78         {"rx_bytes_ok", QL_SIZEOF(nic_stats.rx_bytes_ok),
  79                                         QL_OFF(nic_stats.rx_bytes_ok)},
  80         {"rx_pkts", QL_SIZEOF(nic_stats.rx_pkts), QL_OFF(nic_stats.rx_pkts)},
  81         {"rx_pkts_ok", QL_SIZEOF(nic_stats.rx_pkts_ok),
  82                                         QL_OFF(nic_stats.rx_pkts_ok)},
  83         {"rx_bcast_pkts", QL_SIZEOF(nic_stats.rx_bcast_pkts),
  84                                         QL_OFF(nic_stats.rx_bcast_pkts)},
  85         {"rx_mcast_pkts", QL_SIZEOF(nic_stats.rx_mcast_pkts),
  86                                         QL_OFF(nic_stats.rx_mcast_pkts)},
  87         {"rx_ucast_pkts", QL_SIZEOF(nic_stats.rx_ucast_pkts),
  88                                         QL_OFF(nic_stats.rx_ucast_pkts)},
  89         {"rx_undersize_pkts", QL_SIZEOF(nic_stats.rx_undersize_pkts),
  90                                         QL_OFF(nic_stats.rx_undersize_pkts)},
  91         {"rx_oversize_pkts", QL_SIZEOF(nic_stats.rx_oversize_pkts),
  92                                         QL_OFF(nic_stats.rx_oversize_pkts)},
  93         {"rx_jabber_pkts", QL_SIZEOF(nic_stats.rx_jabber_pkts),
  94                                         QL_OFF(nic_stats.rx_jabber_pkts)},
  95         {"rx_undersize_fcerr_pkts",
  96                 QL_SIZEOF(nic_stats.rx_undersize_fcerr_pkts),
  97                                 QL_OFF(nic_stats.rx_undersize_fcerr_pkts)},
  98         {"rx_drop_events", QL_SIZEOF(nic_stats.rx_drop_events),
  99                                         QL_OFF(nic_stats.rx_drop_events)},
 100         {"rx_fcerr_pkts", QL_SIZEOF(nic_stats.rx_fcerr_pkts),
 101                                         QL_OFF(nic_stats.rx_fcerr_pkts)},
 102         {"rx_align_err", QL_SIZEOF(nic_stats.rx_align_err),
 103                                         QL_OFF(nic_stats.rx_align_err)},
 104         {"rx_symbol_err", QL_SIZEOF(nic_stats.rx_symbol_err),
 105                                         QL_OFF(nic_stats.rx_symbol_err)},
 106         {"rx_mac_err", QL_SIZEOF(nic_stats.rx_mac_err),
 107                                         QL_OFF(nic_stats.rx_mac_err)},
 108         {"rx_ctl_pkts", QL_SIZEOF(nic_stats.rx_ctl_pkts),
 109                                         QL_OFF(nic_stats.rx_ctl_pkts)},
 110         {"rx_pause_pkts", QL_SIZEOF(nic_stats.rx_pause_pkts),
 111                                         QL_OFF(nic_stats.rx_pause_pkts)},
 112         {"rx_64_pkts", QL_SIZEOF(nic_stats.rx_64_pkts),
 113                                         QL_OFF(nic_stats.rx_64_pkts)},
 114         {"rx_65_to_127_pkts", QL_SIZEOF(nic_stats.rx_65_to_127_pkts),
 115                                         QL_OFF(nic_stats.rx_65_to_127_pkts)},
 116         {"rx_128_255_pkts", QL_SIZEOF(nic_stats.rx_128_255_pkts),
 117                                         QL_OFF(nic_stats.rx_128_255_pkts)},
 118         {"rx_256_511_pkts", QL_SIZEOF(nic_stats.rx_256_511_pkts),
 119                                         QL_OFF(nic_stats.rx_256_511_pkts)},
 120         {"rx_512_to_1023_pkts", QL_SIZEOF(nic_stats.rx_512_to_1023_pkts),
 121                                         QL_OFF(nic_stats.rx_512_to_1023_pkts)},
 122         {"rx_1024_to_1518_pkts", QL_SIZEOF(nic_stats.rx_1024_to_1518_pkts),
 123                                         QL_OFF(nic_stats.rx_1024_to_1518_pkts)},
 124         {"rx_1519_to_max_pkts", QL_SIZEOF(nic_stats.rx_1519_to_max_pkts),
 125                                         QL_OFF(nic_stats.rx_1519_to_max_pkts)},
 126         {"rx_len_err_pkts", QL_SIZEOF(nic_stats.rx_len_err_pkts),
 127                                         QL_OFF(nic_stats.rx_len_err_pkts)},
 128         {"rx_code_err", QL_SIZEOF(nic_stats.rx_code_err),
 129                                         QL_OFF(nic_stats.rx_code_err)},
 130         {"rx_oversize_err", QL_SIZEOF(nic_stats.rx_oversize_err),
 131                                         QL_OFF(nic_stats.rx_oversize_err)},
 132         {"rx_undersize_err", QL_SIZEOF(nic_stats.rx_undersize_err),
 133                                         QL_OFF(nic_stats.rx_undersize_err)},
 134         {"rx_preamble_err", QL_SIZEOF(nic_stats.rx_preamble_err),
 135                                         QL_OFF(nic_stats.rx_preamble_err)},
 136         {"rx_frame_len_err", QL_SIZEOF(nic_stats.rx_frame_len_err),
 137                                         QL_OFF(nic_stats.rx_frame_len_err)},
 138         {"rx_crc_err", QL_SIZEOF(nic_stats.rx_crc_err),
 139                                         QL_OFF(nic_stats.rx_crc_err)},
 140         {"rx_err_count", QL_SIZEOF(nic_stats.rx_err_count),
 141                                         QL_OFF(nic_stats.rx_err_count)},
 142         {"tx_cbfc_pause_frames0", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames0),
 143                                 QL_OFF(nic_stats.tx_cbfc_pause_frames0)},
 144         {"tx_cbfc_pause_frames1", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames1),
 145                                 QL_OFF(nic_stats.tx_cbfc_pause_frames1)},
 146         {"tx_cbfc_pause_frames2", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames2),
 147                                 QL_OFF(nic_stats.tx_cbfc_pause_frames2)},
 148         {"tx_cbfc_pause_frames3", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames3),
 149                                 QL_OFF(nic_stats.tx_cbfc_pause_frames3)},
 150         {"tx_cbfc_pause_frames4", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames4),
 151                                 QL_OFF(nic_stats.tx_cbfc_pause_frames4)},
 152         {"tx_cbfc_pause_frames5", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames5),
 153                                 QL_OFF(nic_stats.tx_cbfc_pause_frames5)},
 154         {"tx_cbfc_pause_frames6", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames6),
 155                                 QL_OFF(nic_stats.tx_cbfc_pause_frames6)},
 156         {"tx_cbfc_pause_frames7", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames7),
 157                                 QL_OFF(nic_stats.tx_cbfc_pause_frames7)},
 158         {"rx_cbfc_pause_frames0", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames0),
 159                                 QL_OFF(nic_stats.rx_cbfc_pause_frames0)},
 160         {"rx_cbfc_pause_frames1", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames1),
 161                                 QL_OFF(nic_stats.rx_cbfc_pause_frames1)},
 162         {"rx_cbfc_pause_frames2", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames2),
 163                                 QL_OFF(nic_stats.rx_cbfc_pause_frames2)},
 164         {"rx_cbfc_pause_frames3", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames3),
 165                                 QL_OFF(nic_stats.rx_cbfc_pause_frames3)},
 166         {"rx_cbfc_pause_frames4", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames4),
 167                                 QL_OFF(nic_stats.rx_cbfc_pause_frames4)},
 168         {"rx_cbfc_pause_frames5", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames5),
 169                                 QL_OFF(nic_stats.rx_cbfc_pause_frames5)},
 170         {"rx_cbfc_pause_frames6", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames6),
 171                                 QL_OFF(nic_stats.rx_cbfc_pause_frames6)},
 172         {"rx_cbfc_pause_frames7", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames7),
 173                                 QL_OFF(nic_stats.rx_cbfc_pause_frames7)},
 174         {"rx_nic_fifo_drop", QL_SIZEOF(nic_stats.rx_nic_fifo_drop),
 175                                         QL_OFF(nic_stats.rx_nic_fifo_drop)},
 176 };
 177
 178 static const char qlge_gstrings_test[][ETH_GSTRING_LEN] = {
 179         "Loopback test  (offline)"
 180 };
 181
 182 #define QLGE_TEST_LEN (sizeof(qlge_gstrings_test) / ETH_GSTRING_LEN)
 183 #define QLGE_STATS_LEN ARRAY_SIZE(qlge_gstrings_stats)
 184 #define QLGE_RCV_MAC_ERR_STATS  7
 185
 186 static int qlge_update_ring_coalescing(struct qlge_adapter *qdev)
 187 {
 188         int i, status = 0;
 189         struct rx_ring *rx_ring;
 190         struct cqicb *cqicb;
 191
 192         if (!netif_running(qdev->ndev))
 193                 return status;
 194
 195         /* Skip the default queue, and update the outbound handler
 196          * queues if they changed.
 197          */
 198         cqicb = (struct cqicb *)&qdev->rx_ring[qdev->rss_ring_count];
 199         if (le16_to_cpu(cqicb->irq_delay) != qdev->tx_coalesce_usecs ||
 200             le16_to_cpu(cqicb->pkt_delay) != qdev->tx_max_coalesced_frames) {
 201                 for (i = qdev->rss_ring_count; i < qdev->rx_ring_count; i++) {
 202                         rx_ring = &qdev->rx_ring[i];
 203                         cqicb = (struct cqicb *)rx_ring;
 204                         cqicb->irq_delay = cpu_to_le16(qdev->tx_coalesce_usecs);
 205                         cqicb->pkt_delay =
 206                                 cpu_to_le16(qdev->tx_max_coalesced_frames);
 207                         cqicb->flags = FLAGS_LI;
 208                         status = qlge_write_cfg(qdev, cqicb, sizeof(*cqicb),
 209                                                 CFG_LCQ, rx_ring->cq_id);
 210                         if (status) {
 211                                 netif_err(qdev, ifup, qdev->ndev,
 212                                           "Failed to load CQICB.\n");
 213                                 goto exit;
 214                         }
 215                 }
 216         }
 217
 218         /* Update the inbound (RSS) handler queues if they changed. */
 219         cqicb = (struct cqicb *)&qdev->rx_ring[0];
 220         if (le16_to_cpu(cqicb->irq_delay) != qdev->rx_coalesce_usecs ||
 221             le16_to_cpu(cqicb->pkt_delay) != qdev->rx_max_coalesced_frames) {
 222                 for (i = 0; i < qdev->rss_ring_count; i++, rx_ring++) {
 223                         rx_ring = &qdev->rx_ring[i];
 224                         cqicb = (struct cqicb *)rx_ring;
 225                         cqicb->irq_delay = cpu_to_le16(qdev->rx_coalesce_usecs);
 226                         cqicb->pkt_delay =
 227                                 cpu_to_le16(qdev->rx_max_coalesced_frames);
 228                         cqicb->flags = FLAGS_LI;
 229                         status = qlge_write_cfg(qdev, cqicb, sizeof(*cqicb),
 230                                                 CFG_LCQ, rx_ring->cq_id);
 231                         if (status) {
 232                                 netif_err(qdev, ifup, qdev->ndev,
 233                                           "Failed to load CQICB.\n");
 234                                 goto exit;
 235                         }
 236                 }
 237         }
 238 exit:
 239         return status;
 240 }
 241
 242 static void qlge_update_stats(struct qlge_adapter *qdev)
 243 {
 244         u32 i;
 245         u64 data;
 246         u64 *iter = &qdev->nic_stats.tx_pkts;
 247
 248         spin_lock(&qdev->stats_lock);
 249         if (qlge_sem_spinlock(qdev, qdev->xg_sem_mask)) {
 250                 netif_err(qdev, drv, qdev->ndev,
 251                           "Couldn't get xgmac sem.\n");
 252                 goto quit;
 253         }
 254         /*
 255          * Get TX statistics.
 256          */
 257         for (i = 0x200; i < 0x280; i += 8) {
 258                 if (qlge_read_xgmac_reg64(qdev, i, &data)) {
 259                         netif_err(qdev, drv, qdev->ndev,
 260                                   "Error reading status register 0x%.04x.\n",
 261                                   i);
 262                         goto end;
 263                 } else {
 264                         *iter = data;
 265                 }
 266                 iter++;
 267         }
 268
 269         /*
 270          * Get RX statistics.
 271          */
 272         for (i = 0x300; i < 0x3d0; i += 8) {
 273                 if (qlge_read_xgmac_reg64(qdev, i, &data)) {
 274                         netif_err(qdev, drv, qdev->ndev,
 275                                   "Error reading status register 0x%.04x.\n",
 276                                   i);
 277                         goto end;
 278                 } else {
 279                         *iter = data;
 280                 }
 281                 iter++;
 282         }
 283
 284         /* Update receive mac error statistics */
 285         iter += QLGE_RCV_MAC_ERR_STATS;
 286
 287         /*
 288          * Get Per-priority TX pause frame counter statistics.
 289          */
 290         for (i = 0x500; i < 0x540; i += 8) {
 291                 if (qlge_read_xgmac_reg64(qdev, i, &data)) {
 292                         netif_err(qdev, drv, qdev->ndev,
 293                                   "Error reading status register 0x%.04x.\n",
 294                                   i);
 295                         goto end;
 296                 } else {
 297                         *iter = data;
 298                 }
 299                 iter++;
 300         }
 301
 302         /*
 303          * Get Per-priority RX pause frame counter statistics.
 304          */
 305         for (i = 0x568; i < 0x5a8; i += 8) {
 306                 if (qlge_read_xgmac_reg64(qdev, i, &data)) {
 307                         netif_err(qdev, drv, qdev->ndev,
 308                                   "Error reading status register 0x%.04x.\n",
 309                                   i);
 310                         goto end;
 311                 } else {
 312                         *iter = data;
 313                 }
 314                 iter++;
 315         }
 316
 317         /*
 318          * Get RX NIC FIFO DROP statistics.
 319          */
 320         if (qlge_read_xgmac_reg64(qdev, 0x5b8, &data)) {
 321                 netif_err(qdev, drv, qdev->ndev,
 322                           "Error reading status register 0x%.04x.\n", i);
 323                 goto end;
 324         } else {
 325                 *iter = data;
 326         }
 327 end:
 328         qlge_sem_unlock(qdev, qdev->xg_sem_mask);
 329 quit:
 330         spin_unlock(&qdev->stats_lock);
 331 }
 332
 333 static void qlge_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
 334 {
 335         int index;
 336
 337         switch (stringset) {
 338         case ETH_SS_TEST:
 339                 memcpy(buf, *qlge_gstrings_test, QLGE_TEST_LEN * ETH_GSTRING_LEN);
 340                 break;
 341         case ETH_SS_STATS:
 342                 for (index = 0; index < QLGE_STATS_LEN; index++) {
 343                         memcpy(buf + index * ETH_GSTRING_LEN,
 344                                qlge_gstrings_stats[index].stat_string,
 345                                ETH_GSTRING_LEN);
 346                 }
 347                 break;
 348         }
 349 }
 350
 351 static int qlge_get_sset_count(struct net_device *dev, int sset)
 352 {
 353         switch (sset) {
 354         case ETH_SS_TEST:
 355                 return QLGE_TEST_LEN;
 356         case ETH_SS_STATS:
 357                 return QLGE_STATS_LEN;
 358         default:
 359                 return -EOPNOTSUPP;
 360         }
 361 }
 362
 363 static void
 364 qlge_get_ethtool_stats(struct net_device *ndev,
 365                        struct ethtool_stats *stats, u64 *data)
 366 {
 367         struct qlge_adapter *qdev = netdev_to_qdev(ndev);
 368         int index, length;
 369
 370         length = QLGE_STATS_LEN;
 371         qlge_update_stats(qdev);
 372
 373         for (index = 0; index < length; index++) {
 374                 char *p = (char *)qdev +
 375                         qlge_gstrings_stats[index].stat_offset;
 376                 *data++ = (qlge_gstrings_stats[index].sizeof_stat ==
 377                            sizeof(u64)) ? *(u64 *)p : (*(u32 *)p);
 378         }
 379 }
 380
 381 static int qlge_get_link_ksettings(struct net_device *ndev,
 382                                    struct ethtool_link_ksettings *ecmd)
 383 {
 384         struct qlge_adapter *qdev = netdev_to_qdev(ndev);
 385         u32 supported, advertising;
 386
 387         supported = SUPPORTED_10000baseT_Full;
 388         advertising = ADVERTISED_10000baseT_Full;
 389
 390         if ((qdev->link_status & STS_LINK_TYPE_MASK) ==
 391             STS_LINK_TYPE_10GBASET) {
 392                 supported |= (SUPPORTED_TP | SUPPORTED_Autoneg);
 393                 advertising |= (ADVERTISED_TP | ADVERTISED_Autoneg);
 394                 ecmd->base.port = PORT_TP;
 395                 ecmd->base.autoneg = AUTONEG_ENABLE;
 396         } else {
 397                 supported |= SUPPORTED_FIBRE;
 398                 advertising |= ADVERTISED_FIBRE;
 399                 ecmd->base.port = PORT_FIBRE;
 400         }
 401
 402         ecmd->base.speed = SPEED_10000;
 403         ecmd->base.duplex = DUPLEX_FULL;
 404
 405         ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.supported,
 406                                                 supported);
 407         ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.advertising,
 408                                                 advertising);
 409
 410         return 0;
 411 }
 412
 413 static void qlge_get_drvinfo(struct net_device *ndev,
 414                              struct ethtool_drvinfo *drvinfo)
 415 {
 416         struct qlge_adapter *qdev = netdev_to_qdev(ndev);
 417
 418         strscpy(drvinfo->driver, qlge_driver_name, sizeof(drvinfo->driver));
 419         strscpy(drvinfo->version, qlge_driver_version,
 420                 sizeof(drvinfo->version));
 421         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
 422                  "v%d.%d.%d",
 423                  (qdev->fw_rev_id & 0x00ff0000) >> 16,
 424                  (qdev->fw_rev_id & 0x0000ff00) >> 8,
 425                  (qdev->fw_rev_id & 0x000000ff));
 426         strscpy(drvinfo->bus_info, pci_name(qdev->pdev),
 427                 sizeof(drvinfo->bus_info));
 428 }
 429
 430 static void qlge_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
 431 {
 432         struct qlge_adapter *qdev = netdev_to_qdev(ndev);
 433         unsigned short ssys_dev = qdev->pdev->subsystem_device;
 434
 435         /* WOL is only supported for mezz card. */
 436         if (ssys_dev == QLGE_MEZZ_SSYS_ID_068 ||
 437             ssys_dev == QLGE_MEZZ_SSYS_ID_180) {
 438                 wol->supported = WAKE_MAGIC;
 439                 wol->wolopts = qdev->wol;
 440         }
 441 }
 442
 443 static int qlge_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
 444 {
 445         struct qlge_adapter *qdev = netdev_to_qdev(ndev);
 446         unsigned short ssys_dev = qdev->pdev->subsystem_device;
 447
 448         /* WOL is only supported for mezz card. */
 449         if (ssys_dev != QLGE_MEZZ_SSYS_ID_068 &&
 450             ssys_dev != QLGE_MEZZ_SSYS_ID_180) {
 451                 netif_info(qdev, drv, qdev->ndev,
 452                            "WOL is only supported for mezz card\n");
 453                 return -EOPNOTSUPP;
 454         }
 455         if (wol->wolopts & ~WAKE_MAGIC)
 456                 return -EINVAL;
 457         qdev->wol = wol->wolopts;
 458
 459         netif_info(qdev, drv, qdev->ndev, "Set wol option 0x%x\n", qdev->wol);
 460         return 0;
 461 }
 462
 463 static int qlge_set_phys_id(struct net_device *ndev,
 464                             enum ethtool_phys_id_state state)
 465
 466 {
 467         struct qlge_adapter *qdev = netdev_to_qdev(ndev);
 468
 469         switch (state) {
 470         case ETHTOOL_ID_ACTIVE:
 471                 /* Save the current LED settings */
 472                 if (qlge_mb_get_led_cfg(qdev))
 473                         return -EIO;
 474
 475                 /* Start blinking */
 476                 qlge_mb_set_led_cfg(qdev, QL_LED_BLINK);
 477                 return 0;
 478
 479         case ETHTOOL_ID_INACTIVE:
 480                 /* Restore LED settings */
 481                 if (qlge_mb_set_led_cfg(qdev, qdev->led_config))
 482                         return -EIO;
 483                 return 0;
 484
 485         default:
 486                 return -EINVAL;
 487         }
 488 }
 489
 490 static int qlge_start_loopback(struct qlge_adapter *qdev)
 491 {
 492         if (netif_carrier_ok(qdev->ndev)) {
 493                 set_bit(QL_LB_LINK_UP, &qdev->flags);
 494                 netif_carrier_off(qdev->ndev);
 495         } else {
 496                 clear_bit(QL_LB_LINK_UP, &qdev->flags);
 497         }
 498         qdev->link_config |= CFG_LOOPBACK_PCS;
 499         return qlge_mb_set_port_cfg(qdev);
 500 }
 501
 502 static void qlge_stop_loopback(struct qlge_adapter *qdev)
 503 {
 504         qdev->link_config &= ~CFG_LOOPBACK_PCS;
 505         qlge_mb_set_port_cfg(qdev);
 506         if (test_bit(QL_LB_LINK_UP, &qdev->flags)) {
 507                 netif_carrier_on(qdev->ndev);
 508                 clear_bit(QL_LB_LINK_UP, &qdev->flags);
 509         }
 510 }
 511
 512 static void qlge_create_lb_frame(struct sk_buff *skb,
 513                                  unsigned int frame_size)
 514 {
 515         memset(skb->data, 0xFF, frame_size);
 516         frame_size &= ~1;
 517         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
 518         skb->data[frame_size / 2 + 10] = (unsigned char)0xBE;
 519         skb->data[frame_size / 2 + 12] = (unsigned char)0xAF;
 520 }
 521
 522 void qlge_check_lb_frame(struct qlge_adapter *qdev,
 523                          struct sk_buff *skb)
 524 {
 525         unsigned int frame_size = skb->len;
 526
 527         if ((*(skb->data + 3) == 0xFF) &&
 528             (*(skb->data + frame_size / 2 + 10) == 0xBE) &&
 529             (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
 530                 atomic_dec(&qdev->lb_count);
 531                 return;
 532         }
 533 }
 534
 535 static int qlge_run_loopback_test(struct qlge_adapter *qdev)
 536 {
 537         int i;
 538         netdev_tx_t rc;
 539         struct sk_buff *skb;
 540         unsigned int size = SMALL_BUF_MAP_SIZE;
 541
 542         for (i = 0; i < 64; i++) {
 543                 skb = netdev_alloc_skb(qdev->ndev, size);
 544                 if (!skb)
 545                         return -ENOMEM;
 546
 547                 skb->queue_mapping = 0;
 548                 skb_put(skb, size);
 549                 qlge_create_lb_frame(skb, size);
 550                 rc = qlge_lb_send(skb, qdev->ndev);
 551                 if (rc != NETDEV_TX_OK)
 552                         return -EPIPE;
 553                 atomic_inc(&qdev->lb_count);
 554         }
 555         /* Give queue time to settle before testing results. */
 556         usleep_range(2000, 2100);
 557         qlge_clean_lb_rx_ring(&qdev->rx_ring[0], 128);
 558         return atomic_read(&qdev->lb_count) ? -EIO : 0;
 559 }
 560
 561 static int qlge_loopback_test(struct qlge_adapter *qdev, u64 *data)
 562 {
 563         *data = qlge_start_loopback(qdev);
 564         if (*data)
 565                 goto out;
 566         *data = qlge_run_loopback_test(qdev);
 567 out:
 568         qlge_stop_loopback(qdev);
 569         return *data;
 570 }
 571
 572 static void qlge_self_test(struct net_device *ndev,
 573                            struct ethtool_test *eth_test, u64 *data)
 574 {
 575         struct qlge_adapter *qdev = netdev_to_qdev(ndev);
 576
 577         memset(data, 0, sizeof(u64) * QLGE_TEST_LEN);
 578
 579         if (netif_running(ndev)) {
 580                 set_bit(QL_SELFTEST, &qdev->flags);
 581                 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
 582                         /* Offline tests */
 583                         if (qlge_loopback_test(qdev, &data[0]))
 584                                 eth_test->flags |= ETH_TEST_FL_FAILED;
 585
 586                 } else {
 587                         /* Online tests */
 588                         data[0] = 0;
 589                 }
 590                 clear_bit(QL_SELFTEST, &qdev->flags);
 591                 /* Give link time to come up after
 592                  * port configuration changes.
 593                  */
 594                 msleep_interruptible(4 * 1000);
 595         } else {
 596                 netif_err(qdev, drv, qdev->ndev,
 597                           "is down, Loopback test will fail.\n");
 598                 eth_test->flags |= ETH_TEST_FL_FAILED;
 599         }
 600 }
 601
 602 static int qlge_get_regs_len(struct net_device *ndev)
 603 {
 604         struct qlge_adapter *qdev = netdev_to_qdev(ndev);
 605
 606         if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
 607                 return sizeof(struct qlge_mpi_coredump);
 608         else
 609                 return sizeof(struct qlge_reg_dump);
 610 }
 611
 612 static void qlge_get_regs(struct net_device *ndev,
 613                           struct ethtool_regs *regs, void *p)
 614 {
 615         struct qlge_adapter *qdev = netdev_to_qdev(ndev);
 616
 617         qlge_get_dump(qdev, p);
 618         if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
 619                 regs->len = sizeof(struct qlge_mpi_coredump);
 620         else
 621                 regs->len = sizeof(struct qlge_reg_dump);
 622 }
 623
 624 static int qlge_get_coalesce(struct net_device *ndev,
 625                              struct ethtool_coalesce *c,
 626                              struct kernel_ethtool_coalesce *kernel_coal,
 627                              struct netlink_ext_ack *extack)
 628 {
 629         struct qlge_adapter *qdev = netdev_to_qdev(ndev);
 630
 631         c->rx_coalesce_usecs = qdev->rx_coalesce_usecs;
 632         c->tx_coalesce_usecs = qdev->tx_coalesce_usecs;
 633
 634         /* This chip coalesces as follows:
 635          * If a packet arrives, hold off interrupts until
 636          * cqicb->int_delay expires, but if no other packets arrive don't
 637          * wait longer than cqicb->pkt_int_delay. But ethtool doesn't use a
 638          * timer to coalesce on a frame basis.  So, we have to take ethtool's
 639          * max_coalesced_frames value and convert it to a delay in microseconds.
 640          * We do this by using a basic thoughput of 1,000,000 frames per
 641          * second @ (1024 bytes).  This means one frame per usec. So it's a
 642          * simple one to one ratio.
 643          */
 644         c->rx_max_coalesced_frames = qdev->rx_max_coalesced_frames;
 645         c->tx_max_coalesced_frames = qdev->tx_max_coalesced_frames;
 646
 647         return 0;
 648 }
 649
 650 static int qlge_set_coalesce(struct net_device *ndev,
 651                              struct ethtool_coalesce *c,
 652                              struct kernel_ethtool_coalesce *kernel_coal,
 653                              struct netlink_ext_ack *extack)
 654 {
 655         struct qlge_adapter *qdev = netdev_to_qdev(ndev);
 656
 657         /* Validate user parameters. */
 658         if (c->rx_coalesce_usecs > qdev->rx_ring_size / 2)
 659                 return -EINVAL;
 660         /* Don't wait more than 10 usec. */
 661         if (c->rx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
 662                 return -EINVAL;
 663         if (c->tx_coalesce_usecs > qdev->tx_ring_size / 2)
 664                 return -EINVAL;
 665         if (c->tx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
 666                 return -EINVAL;
 667
 668         /* Verify a change took place before updating the hardware. */
 669         if (qdev->rx_coalesce_usecs == c->rx_coalesce_usecs &&
 670             qdev->tx_coalesce_usecs == c->tx_coalesce_usecs &&
 671             qdev->rx_max_coalesced_frames == c->rx_max_coalesced_frames &&
 672             qdev->tx_max_coalesced_frames == c->tx_max_coalesced_frames)
 673                 return 0;
 674
 675         qdev->rx_coalesce_usecs = c->rx_coalesce_usecs;
 676         qdev->tx_coalesce_usecs = c->tx_coalesce_usecs;
 677         qdev->rx_max_coalesced_frames = c->rx_max_coalesced_frames;
 678         qdev->tx_max_coalesced_frames = c->tx_max_coalesced_frames;
 679
 680         return qlge_update_ring_coalescing(qdev);
 681 }
 682
 683 static void qlge_get_pauseparam(struct net_device *ndev,
 684                                 struct ethtool_pauseparam *pause)
 685 {
 686         struct qlge_adapter *qdev = netdev_to_qdev(ndev);
 687
 688         qlge_mb_get_port_cfg(qdev);
 689         if (qdev->link_config & CFG_PAUSE_STD) {
 690                 pause->rx_pause = 1;
 691                 pause->tx_pause = 1;
 692         }
 693 }
 694
 695 static int qlge_set_pauseparam(struct net_device *ndev,
 696                                struct ethtool_pauseparam *pause)
 697 {
 698         struct qlge_adapter *qdev = netdev_to_qdev(ndev);
 699
 700         if ((pause->rx_pause) && (pause->tx_pause))
 701                 qdev->link_config |= CFG_PAUSE_STD;
 702         else if (!pause->rx_pause && !pause->tx_pause)
 703                 qdev->link_config &= ~CFG_PAUSE_STD;
 704         else
 705                 return -EINVAL;
 706
 707         return qlge_mb_set_port_cfg(qdev);
 708 }
 709
 710 static u32 qlge_get_msglevel(struct net_device *ndev)
 711 {
 712         struct qlge_adapter *qdev = netdev_to_qdev(ndev);
 713
 714         return qdev->msg_enable;
 715 }
 716
 717 static void qlge_set_msglevel(struct net_device *ndev, u32 value)
 718 {
 719         struct qlge_adapter *qdev = netdev_to_qdev(ndev);
 720
 721         qdev->msg_enable = value;
 722 }
 723
 724 const struct ethtool_ops qlge_ethtool_ops = {
 725         .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
 726                                      ETHTOOL_COALESCE_MAX_FRAMES,
 727         .get_drvinfo = qlge_get_drvinfo,
 728         .get_wol = qlge_get_wol,
 729         .set_wol = qlge_set_wol,
 730         .get_regs_len   = qlge_get_regs_len,
 731         .get_regs = qlge_get_regs,
 732         .get_msglevel = qlge_get_msglevel,
 733         .set_msglevel = qlge_set_msglevel,
 734         .get_link = ethtool_op_get_link,
 735         .set_phys_id             = qlge_set_phys_id,
 736         .self_test               = qlge_self_test,
 737         .get_pauseparam          = qlge_get_pauseparam,
 738         .set_pauseparam          = qlge_set_pauseparam,
 739         .get_coalesce = qlge_get_coalesce,
 740         .set_coalesce = qlge_set_coalesce,
 741         .get_sset_count = qlge_get_sset_count,
 742         .get_strings = qlge_get_strings,
 743         .get_ethtool_stats = qlge_get_ethtool_stats,
 744         .get_link_ksettings = qlge_get_link_ksettings,
 745 };
 746